Characterization of liquid crystal on silicon-SLMs for in-situ laser beam steering to enable RAMAN imaging

Sebastian Ritter; Sven Augustin; Anko Börner; David Krutz; Ute Böttger

doi:10.1117/12.2600289

11 June 2021 Characterization of liquid crystal on silicon-SLMs for in-situ laser beam steering to enable RAMAN imaging

Sebastian Ritter, Sven Augustin, Anko Börner, David Krutz, Ute Böttger

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Proceedings Volume 11852, International Conference on Space Optics — ICSO 2020; 118526E (2021) https://doi.org/10.1117/12.2600289
Event: International Conference on Space Optics — ICSO 2021, 2021, Online Only

Conference Poster

Abstract

In the future, the use of lunar regolith for resource extraction and manufacturing of construction materials will play a significant role in lunar exploration projects. Raman spectroscopy can contribute to the quality control of materials made of moon regolith. To improve system reliability in Raman point mapping it is proposed to use dynamic light shaping to reduce the risk of thermal and mechanical damage. An approach to characterize a Liquid Crystal on Silicon (LCoS) Spatial Light Modulator (SLM) is shown. For this purpose, influence parameters are identified and evaluated with the help of a laboratory setup and a complementary simulation in order to evaluate the possibilities and limitations of Raman raster point mapping in respect to the deflection and spot shaping.

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Sebastian Ritter, Sven Augustin, Anko Börner, David Krutz, and Ute Böttger "Characterization of liquid crystal on silicon-SLMs for in-situ laser beam steering to enable RAMAN imaging", Proc. SPIE 11852, International Conference on Space Optics — ICSO 2020, 118526E (11 June 2021); https://doi.org/10.1117/12.2600289

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